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Cloud Testing - PowerPoint PPT Presentation

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Cloud Testing
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  1. Cloud Testing Speaker : Mrityunjaya Hikkalgutti Date : 3rd July 2010

  2. Overview of Cloud • Pay by the drink model • Pay for extra resources when needed • Better economics • “A pool of abstracted, highly scalable, and managed compute infrastructure capable of hosting end-customer applications and billed by consumption1” • Virtualized server pool • Measured service

  3. The “Cloud Pyramid”

  4. ‘Why’ Cloud Migration • Nothing to buy • Cloud computing, a solution to rescue organizations to focus on their core business rather than worrying about the investment and maintenance of their business IT infrastructure. • Cancel service immediately • Virtually infinite storage capacity • Efficient, reliable load distribution layer • Nothing is there to Throw it out • Just send cancellation request • High availability large-store database

  5. Commercial clouds

  6. 4 Cloud Deployment Models • Private cloud • enterprise owned or leased • Community cloud • shared infrastructure for specific community • Public cloud • Sold to the public, mega-scale infrastructure • Hybrid cloud • composition of two or more clouds

  7. Cloud Service Level Agreements (CSLAs) • Mainly 2 Sections(M2S): • Technical Terms and Conditions (TTC) • Commercial Terms and Conditions (CTC)

  8. Technical Terms and Conditions (TTC) • Technical Critical Areas • Consistency • Compatibility • Availability • Scalability • Environment • Stress • Load • Volume • Reliability • Tuning • Security / IP protection • Disaster Recovery Centers • Min and Max System break down time • Connectivity • Multi tenancy

  9. Commercial Terms and Conditions (TTC) • Commercial Critical Areas • List of service with commercial terms • Each Service with Minimum & Maximum Usage with cost • Service Offer validity • Minimum & Maximum trail period Duration for any service • Prepaid Services • Postpaid services

  10. Cloud Solution Challenges • Security • Reliability • Manageability • Disaster Recovery Centers

  11. CSDLC Phases • Cloud SLA Analysis • Requirement Analysis • Designing • Coding • Development Environment set up • ( This phase is not required) • Testing

  12. Client Requirement + Cloud SLA Analysis Test plan preparation Test case preparation Cloud Test Environment set Up (this Phase is not required) Test Report Generation Defect Tracking Test Execution CSTLC Phases

  13. Multicluster environment with VTE

  14. Cloud Testing Strategies

  15. Main Testing types • Manual • Automation • White Box Testing • Functional / Black Box Testing • System / E2E • User Acceptance Testing (UAT)

  16. Cloud Testing Types / Techniques • Consistency Testing • Compatibility Testing • Scalability Testing • Stress Testing • Load Testing • Volume Testing • Security / IP protectionTesting • Disaster recovery Centers Testing • Connectivity Testing • Multi tenancyTesting • Reliability Testing • Performance Tuning Testing

  17. Cloud Defects Tracking Log Cloud Defects Defects are Fixed by Cloud service Provider(CSP) Impact Analysis by CSP +Developers Re-Open Retest by CSP +Developers Fail Close Pass

  18. Cloud Key Performance Measurements Application Monitoring during performance tests • Application response time (end to end) • Application response times for different bandwidth simulation(56K and Broad band) • Page hits/Sec • Page views/Sec • Transactions /Sec Hardware Monitoring during performance tests • CPU and memory utilization for web servers, Application servers and database servers • Monitoring of Firewalls

  19. Save The Testing Effort & Cost By Using Cloud • SAP –offering ERP Solution “Business By- Design (BByD)” • In case of BByD, SAP hosts the solution, maintains it and upgrades it • BByD’s first customer in India: • . • 2-mbps line to draw the solution • SAP at the rate of Rs 5610 per user per month • has taken it for 25 users • total cost comes around 1.4lkhs per month • They are delighted with this choice • Cost Saved :If They had gone for a traditional ERP application, it would have required a capital expenditure of Rs • 25- 30 lakh, and another Rs 10-12 lakh a year to keep it running. • “Turn off the lights” = turn off servers you aren’t using • Pay for only what you use • No need to buy in advance • Zero Capital Outlay • I had read this above article on 17th May 2010 Times of India paper (times business column) "Taking Computing to the cloud". • http://timesofindia.indiatimes.com/articleshow/5938260.cms

  20. Q&A mrityunjaya.h01@mphasis.com